KNSB FIDE
AK

Alex Koelewijn

Rated since January 2023

1998 Classic
1923 Rapid
1944 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
VEER, W.N. (WIM) 2139
10874 DecaChess Groep A · Sunday 6 April 2025
GEUS DE, G.J. (GERARD) 2065
11992 KNSB competitie 2025-2026 Klasse 3 ronde 2 · Saturday 4 October 2025
DEEN, R.J.P. (RON) 2048
12806 NHSB-competitie 2025-2026 Topklasse t/m 18-01-2026 · Tuesday 13 January 2026
TEIANU, M. (MAXIM) 2025
10239 NK Snelschaken 2025 Groep A · Saturday 13 September 2025
DARIE, A.C. (ADEN) 1985
10874 DecaChess Groep A · Sunday 6 April 2025
Worst losses
TIMAR, Y.S.S. (YANNICK) 1784
9802 Amsterdam Chess Open Groep B · Friday 1 November 2024
ALHASAN, H.U.S. (HUSAM) 1856
10239 NK Snelschaken 2025 Groep A · Saturday 13 September 2025
BUSA, R. (RYAN) 1881
11615 UniClass Science Park Amsterdam Schaaktoernooi Groep B · Saturday 12 July 2025
HOETINK, S. (SIMEON) 1907
10874 DecaChess Groep A · Sunday 6 April 2025
REEMST, M. (MARNIX) 1917
11615 UniClass Science Park Amsterdam Schaaktoernooi Groep B · Monday 7 July 2025
NK Snelschaken 2025 Groep A Saturday 13 September 2025 +10–10=6 -23.6
UniClass Science Park Amsterdam Schaaktoernooi Groep B Saturday 5 July 2025 +6–2=1 +7.7
Amsterdam Chess Open Groep B Friday 1 November 2024 +1–2=0 -21.6
KNSB competitie 2025-2026 Klasse 3 ronde 6 Saturday 20 September 2025 +0–0=1 +1.9
KNSB competitie 2025-2026 Klasse 3 ronde 8 Saturday 20 September 2025 +1–0=0 +3.7
KNSB competitie 2025-2026 Klasse 3 ronde 7 Saturday 20 September 2025 +0–1=0 -10.5
KNSB competitie 2025-2026 Klasse 3 ronde 5 Saturday 20 September 2025 +0–1=0 -10.5
KNSB competitie 2025-2026 Klasse 3 Ronde 4 Saturday 20 September 2025 +0–1=0 -9.2
KNSB competitie 2025-2026 Klasse 3 ronde 3 Saturday 20 September 2025 +1–0=0 +7.5
KNSB competitie 2025-2026 Klasse 3 ronde 2 Saturday 20 September 2025 +1–0=0 +15.4
KNSB competitie 2025-2026 Klasse 3 ronde 1 Saturday 20 September 2025 +1–0=0 +12.6
NHSB-competitie 2025-2026 Topklasse t/m 15-02-2026 Monday 1 September 2025 +0–0=1 +3.3
NHSB-competitie 2025-2026 Topklasse t/m 18-01-2026 Monday 1 September 2025 +1–0=0 +14.7
DecaChess Groep A Sunday 6 April 2025 +2–7=0 -21.2
KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … Saturday 21 September 2024 +0–1=0 -8.0
KNSB competitie 2024-2025 Klasse 4 ronde 8 Saturday 21 September 2024 +0–0=1 0.0
KNSB competitie 2024-2025 Klasse 4 ronde 7 Saturday 21 September 2024 +0–0=1 +0.2
KNSB competitie 2024-2025 Klasse 3 ronde 6 Saturday 21 September 2024 +0–1=0 -10.8
KNSB competitie 2024-2025 Klasse 3 ronde 5 Saturday 21 September 2024 +0–0=1 +1.9
KNSB competitie 2024-2025 Klasse 4 ronde 3 Saturday 21 September 2024 +0–0=1 +1.2
KNSB competitie 2024-2025 Klasse 3 ronde 3 + inhaalwedstrijd ronde 1 Saturday 21 September 2024 +0–1=0 -11.1
NHSB-competitie 2024-2025 Zilver t/m 25-05-2025 Sunday 1 September 2024 +1–0=0 +9.7
NHSB-competitie 2024-2025 Zilver t/m 04-05-2025 Sunday 1 September 2024 +1–0=0 +11.1
NHSB-competitie 2024-2025 Topklasse t/m 06-04-2025 Sunday 1 September 2024 +0–0=1 +3.3
NHSB-competitie 2024-2025 Topklasse t/m 16-03-2025 Sunday 1 September 2024 +1–0=0 +3.4
NHSB-competitie 2024-2025 Zilver t/m 23-02-2025 Sunday 1 September 2024 +1–0=0 +12.2
NHSB-competitie 2024-2025 Klasse 2B t/m 15-12-2024 Sunday 1 September 2024 +1–0=0 +10.2
NHSB-competitie 2024-2025 Klasse 2B t/m 28-11-2024 Sunday 1 September 2024 +1–0=0 +6.4
NHSB-competitie 2024-2025 Klasse 2B t/m 26-10-2024 Sunday 1 September 2024 +0–1=1 -10.1
NHSB-competitie 2024-2025 Topklasse t/m 26-10-2024 Sunday 1 September 2024 +1–0=0 +13.2

Rating History

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Peak Ratings

Classic 1999 Feb. 1, 2026
Rapid 1923 May 1, 2025
Blitz 1944 Oct. 1, 2025

Games

Wins 31
Losses 28
Draws 15
Win Rate 42%

Performance by Color

Color Wins Draws Losses Win Rate
White 18 7 11 50%
Black 13 8 17 34%

Recent Matches

Laan, D.C. (David) (2047) Saturday 28 March 2026 DRAW +1.9
Elgersma, J.W. (Hanneke) (1693) Saturday 7 March 2026 WIN +3.7
Vlieger, O. (Olaf) (2094) Friday 13 February 2026 DRAW +3.3
FM Jolles, H. (Hajo) (2058) Saturday 7 February 2026 LOSS -10.5
Deen, R.J.P. (Ron) (2048) Tuesday 13 January 2026 WIN +14.7
Wiersma, T.J. (Tjalling) (2052) Saturday 13 December 2025 LOSS -10.5
Merbis, M.D. (Max) (2091) Saturday 22 November 2025 LOSS -9.2
Winnubst, P. (Paul) (1846) Saturday 1 November 2025 WIN +7.5
Geus de, G.J. (Gerard) (2065) Saturday 4 October 2025 WIN +15.4
Hensbergen, W. (Willem) (1972) Saturday 20 September 2025 WIN +12.6
Omnes, T. (Tiago) (1945) Saturday 13 September 2025 DRAW -0.4
Schelvis, R.J.H. (Richard) (2200) Saturday 13 September 2025 LOSS -5.2
Serankou, B. (Barys) (1953) Saturday 13 September 2025 WIN +12.0
Fluegel, M. (Michael) (1872) Saturday 13 September 2025 WIN +9.2
WIM Kleuver de, E.E. (Esther) (1951) Saturday 13 September 2025 LOSS -13.1
Boeren, J.F. (Jurriaan) (2092) Saturday 13 September 2025 LOSS -8.3
Alhasan, H.U.S. (Husam) (1856) Saturday 13 September 2025 LOSS -16.3
Lee, J.B. (Jungbin) (1916) Saturday 13 September 2025 DRAW -1.8
Pas van der, P. (Paul) (1836) Saturday 13 September 2025 DRAW -4.5
Lubben van der, A. (Arno) (2041) Saturday 13 September 2025 DRAW +2.5